The G2 checkpoint is used to determine which of the following?
a. if DNA replication has finished
b. if the chromosomes have lined up at the metaphase plate
c. if sister chromatids are attached to spindle microtubules properly
d. if the chromosomes have finished condensing
a. if DNA replication has finished
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Aerobes use __________ as the final electron acceptor
a. hydrogen b. carbon c. oxygen d. H2O e. NAD+
Many pharmaceutical drugs specifically inhibit transcription in Bacteria but not Archaea or Eukarya. Why would drugs that inhibit transcription only affect Bacteria and not Archaea even though they are both prokaryotes?
A) Archaea and Eukarya have very similar ribosomes that are different than bacterial ribosomes. B) Bacteria lack a nucleus. C) Archaea lack operons. D) Archaea and Eukarya have very similar RNA polymerases that are different than bacterial RNA polymerases.
Describe how mutations can lead to whole populations of bacteria becoming resistant to certain antibiotics
What will be an ideal response?
A protein normally synthesized in fat cells; it is thought to act as a negative feedback signal normally released by fat stores to decrease appetite and increase fat metabolism
What will be an ideal response?